Also found in: Idioms.
dry·as·dustor dry-as-dust (drī′əz-dŭst′)
A dull, pedantic speaker or writer.
[After Dr. Jonas Dryasdust, a fictitious character to whom Sir Walter Scott dedicated some of his novels.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
completely lacking in interest and stimulation
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
[1870–75; after Dr. Dryasdust, a fictitious pedant satirized in the prefaces of Sir Walter Scott's novels]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.